 English |
|
|
|
|
|
|
|
| SP6644EU-L Datasheet, PDF (9/15 Pages) Sipex Corporation – Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator | |||
| |||
| ◁ |
BLOCK DIAGRAM
VBATT
VOUT
FB
SHDN
+1.25V
VREF
REFREADY
+1.0V (SP6644)
+2.0V (SP6645)
SP6644
SP6645
+1.0V (SP6644)
+2.0V (SP6645)
LOGIC DRV-P
DRV-N
PDISCHARGE
Inductor
Damping
Switch
START
UP
OSC
N
VLPK
NCHARGE
N
I-Discharge
LX
I-Charge
RLIM
BATTLO
RLIM
GND
Figure 27. Internal Block Diagram of the SP6644/6645
Date: 11/30/04
SP6644/6645 High Efficiency Boost Regulator
9
© Copyright 2004 Sipex Corporation
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese